JPS6349827Y2 - - Google Patents
Info
- Publication number
- JPS6349827Y2 JPS6349827Y2 JP4138383U JP4138383U JPS6349827Y2 JP S6349827 Y2 JPS6349827 Y2 JP S6349827Y2 JP 4138383 U JP4138383 U JP 4138383U JP 4138383 U JP4138383 U JP 4138383U JP S6349827 Y2 JPS6349827 Y2 JP S6349827Y2
- Authority
- JP
- Japan
- Prior art keywords
- effect transistor
- voltage
- field effect
- ion chamber
- smoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Fire-Detection Mechanisms (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4138383U JPS59147289U (ja) | 1983-03-24 | 1983-03-24 | イオン化式煙感知器の試験装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4138383U JPS59147289U (ja) | 1983-03-24 | 1983-03-24 | イオン化式煙感知器の試験装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59147289U JPS59147289U (ja) | 1984-10-02 |
JPS6349827Y2 true JPS6349827Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-12-21 |
Family
ID=30171966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4138383U Granted JPS59147289U (ja) | 1983-03-24 | 1983-03-24 | イオン化式煙感知器の試験装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59147289U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2737033B2 (ja) * | 1991-04-25 | 1998-04-08 | ニッタン株式会社 | 火災警報装置の試験装置 |
JP2864057B2 (ja) * | 1991-05-10 | 1999-03-03 | ニッタン株式会社 | 火災警報装置の試験装置 |
-
1983
- 1983-03-24 JP JP4138383U patent/JPS59147289U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59147289U (ja) | 1984-10-02 |
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